n for crimes that they did not commit. The guilty person is then free to commit additional crimes. One such case was that of Jimmy Williams. Prior to taking a polygraph examination, his attorney was so convinced of his innocence that he stipulated that the results of a polygraph test could be admitted into evidence. Upon learning that Williams had failed the polygraph, they convicted him of rape. Williams spent 10 years in prison for a crime that he did not commit. The accuser, who is now 22-years old, has admitted that the rape never happened.
Among the critics are some very prominent professionals: “Polygraph screening is completely without any theoretical foundation and has absolutely no validity…the diagnostic value of this type of testing is no more than that of astrology or tea-leaf reading.” Dr. Drew Richardson, Former Supervisory Special Agent, FBI Laboratory
“Polygraph testing has been the gold standard, but it’s obviously fool’s gold.” Prof. Stephen Fienberg, Chairman, Committee to Review the Scientific Evidence on the Polygraph, National Academy of Sciences
“…the use of this highly flawed instrument (polygraph) should be radically curtailed.” James Woolsey, Former Director of the CIA
“ The CIA’s reliance on the polygraph is truly insane.” John Deutch, Former Director of the CIA
Frank Horvath, former President of the American Polygraph Association and Chief Scientific Officer for the Department of Defense Polygraph Institute, published research in which polygraphists evaluating charts of examinations had an accuracy rate of less than 60%, about the same as a flip of a coin.
Because of these overwhelming failures of the polygraph that have damaged our national security as well as endangered the safety of our citizens, more than 1,800 law enforcement agencies have switched to the Computer Voice Stress Analyzer
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